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126 lines
3.6 KiB
C
126 lines
3.6 KiB
C
/*-
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* See the file LICENSE for redistribution information.
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*
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* Copyright (c) 2001-2002
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* Sleepycat Software. All rights reserved.
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*/
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#include "db_config.h"
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#ifndef lint
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static const char revid[] = "$Id: util_arg.c,v 1.4 2002/02/01 18:15:30 bostic Exp $";
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#endif /* not lint */
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#ifndef NO_SYSTEM_INCLUDES
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#include <sys/types.h>
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#endif
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#include "db_int.h"
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static char *__db_strsep __P((char **, const char *));
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/*
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* __db_util_arg --
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* Convert a string into an argc/argv pair.
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*
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* PUBLIC: int __db_util_arg __P((char *, char *, int *, char ***));
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*/
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int
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__db_util_arg(arg0, str, argcp, argvp)
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char *arg0, *str, ***argvp;
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int *argcp;
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{
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int n, ret;
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char **ap, **argv;
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#define MAXARGS 25
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if ((ret =
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__os_malloc(NULL, (MAXARGS + 1) * sizeof(char **), &argv)) != 0)
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return (ret);
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ap = argv;
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*ap++ = arg0;
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for (n = 1; (*ap = __db_strsep(&str, " \t")) != NULL;)
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if (**ap != '\0') {
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++ap;
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if (++n == MAXARGS)
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break;
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}
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*ap = NULL;
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*argcp = ap - argv;
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*argvp = argv;
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return (0);
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}
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/*-
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* Copyright (c) 1990, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/*
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* Get next token from string *stringp, where tokens are possibly-empty
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* strings separated by characters from delim.
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*
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* Writes NULs into the string at *stringp to end tokens.
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* delim need not remain constant from call to call.
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* On return, *stringp points past the last NUL written (if there might
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* be further tokens), or is NULL (if there are definitely no more tokens).
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*
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* If *stringp is NULL, strsep returns NULL.
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*/
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static char *
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__db_strsep(stringp, delim)
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char **stringp;
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const char *delim;
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{
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const char *spanp;
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int c, sc;
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char *s, *tok;
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if ((s = *stringp) == NULL)
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return (NULL);
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for (tok = s;;) {
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c = *s++;
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spanp = delim;
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do {
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if ((sc = *spanp++) == c) {
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if (c == 0)
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s = NULL;
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else
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s[-1] = 0;
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*stringp = s;
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return (tok);
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}
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} while (sc != 0);
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}
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/* NOTREACHED */
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}
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